chore: import upstream snapshot with attribution

python/paddle/_C_ops.py

@@ -0,0 +1,27 @@
+# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from paddle.base import core
+
+__all__ = []
+
+
+for name in dir(core.eager.ops):
+    globals()[name] = getattr(core.eager.ops, name)
+    __all__.append(name)
+
+for name in dir(core.pir.ops):
+    globals()[name] = getattr(core.pir.ops, name)
+    if name not in __all__:
+        __all__.append(name)